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WO2019185047A1 - Panneau d'affichage à cristaux liquides à points quantiques et dispositif d'affichage - Google Patents

Panneau d'affichage à cristaux liquides à points quantiques et dispositif d'affichage Download PDF

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Publication number
WO2019185047A1
WO2019185047A1 PCT/CN2019/080552 CN2019080552W WO2019185047A1 WO 2019185047 A1 WO2019185047 A1 WO 2019185047A1 CN 2019080552 W CN2019080552 W CN 2019080552W WO 2019185047 A1 WO2019185047 A1 WO 2019185047A1
Authority
WO
WIPO (PCT)
Prior art keywords
pixel unit
liquid crystal
layer
sub
quantum dot
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2019/080552
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English (en)
Chinese (zh)
Inventor
历志辉
林健源
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen TCL New Technology Co Ltd
Original Assignee
Shenzhen TCL New Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen TCL New Technology Co Ltd filed Critical Shenzhen TCL New Technology Co Ltd
Publication of WO2019185047A1 publication Critical patent/WO2019185047A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133617—Illumination with ultraviolet light; Luminescent elements or materials associated to the cell
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/52—RGB geometrical arrangements

Definitions

  • the present application relates to the field of liquid crystal display technology, and in particular, to a quantum dot liquid crystal panel and a display device using the same.
  • the display color of the thin film transistor liquid crystal display is generated by the color resist of the color filter.
  • the mainstream of the market is red, green and blue, red, green, blue and white.
  • the color resistivity is only about 1/3, and color saturation is also a bottleneck.
  • quantum dot liquid crystal panel that uses a quantum dot material instead of a color photoresist to provide a color that can be more abundant and brightness can perform better.
  • the quantum dot material illuminates with a blue backlight, red light is excited, and the green light is doped with blue light exposed by the backlight, which reduces the color purity to a certain extent, and causes color saturation and contrast to be affected.
  • the main purpose of the present application is to provide a quantum dot liquid crystal panel, which aims to propose a high color saturation, high contrast quantum dot liquid crystal display panel.
  • a quantum dot liquid crystal panel provided by the present application comprises a color filter substrate, a liquid crystal layer and an array substrate, wherein the liquid crystal layer is disposed between the color film substrate and the array substrate, and the color film
  • the substrate includes a blue light absorbing member, a base substrate, a pixel unit layer and an encapsulation layer which are stacked, the pixel unit layer includes a red sub-pixel unit, a green sub-pixel unit and a blue sub-pixel unit, and the blue absorbing member covers the The red sub-pixel unit and the green sub-pixel unit are described.
  • the blue light absorbing member includes a blue light absorbing layer corresponding to the red sub-pixel unit and the green sub-pixel unit, and a transparent layer corresponding to the blue sub-pixel unit through which a blue backlight can pass.
  • the blue absorbing member is attached to a surface of the substrate substrate facing away from the pixel unit layer.
  • the material of the blue light absorbing member is a dye, a glue, or a film.
  • the blue light absorbing member is sandwiched between the base substrate and the pixel unit layer.
  • the material of the blue light absorbing member is a resin dye.
  • the pixel unit layer further includes a black matrix, and the black matrix is provided with a plurality of mounting units arranged in an array, the red sub-pixel unit, the green sub-pixel unit, and the blue sub-pixel unit It is mounted in a mosaic or linear manner on several of the mounting units.
  • the pixel unit layer is located on a side of the base substrate adjacent to the liquid crystal layer
  • the encapsulation layer is located on a side of the pixel unit layer adjacent to the liquid crystal layer.
  • the color filter substrate further includes a middle polarizing layer, and the middle polarizing layer is disposed on a side surface of the encapsulating layer adjacent to the liquid crystal layer.
  • the application also provides a display device comprising a backlight and a quantum dot liquid crystal panel as described above.
  • the blue backlight passes through the array substrate, the liquid crystal layer, and the color film substrate, wherein the color film substrate is excited by the blue backlight, and the red sub-pixel unit, the green sub-pixel unit, and the blue sub-image unit correspond to Red light, green light, and blue light are emitted through the substrate to realize picture display.
  • the blue sub-pixel unit and the green sub-pixel unit emit red and green light mixed with a blue backlight
  • the present scheme uses a blue light absorbing member to cover the red sub-pixel unit and the green sub-pixel.
  • the pixel unit absorbs the red and green light mixed with the blue backlight.
  • the color filter substrate includes and the encapsulation layer to effectively protect the color filter substrate to achieve dustproof and waterproof.
  • FIG. 1 is a schematic structural view of a quantum dot liquid crystal panel according to an embodiment of the present application.
  • FIG. 2 is a schematic structural view of a quantum dot liquid crystal panel according to Embodiment 2 of the present application.
  • FIG. 3 is a schematic structural view showing a linear arrangement of pixel unit layers in FIG. 1;
  • Figure 4 is a schematic view showing the structure of the blue absorbing member of Figure 1 in a linear arrangement
  • FIG. 5 is a schematic structural diagram of a mosaic arrangement of pixel unit layers in FIG. 1;
  • Fig. 6 is a structural schematic view showing the mosaic arrangement of the blue absorbing member of Fig. 1.
  • Label name Label name 1 Color film substrate 133 Blue sub-pixel unit 11 Substrate substrate 134 Black matrix 12 Blue light absorbing member 14 Encapsulation layer 121 Transparent layer 15 Central polarizing layer 13 Pixel unit layer 2 Liquid crystal layer 131 Red sub-pixel unit 3 Array substrate 132 Green sub-pixel unit 4 Lower polarizer
  • first”, “second”, and the like in the present application are set for the purpose of description only, and are not to be construed as indicating or implying their relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” or “second” may include at least one of the features, either explicitly or implicitly.
  • the technical solutions between the various embodiments may be combined with each other, but must be based on the realization of those skilled in the art, and when the combination of the technical solutions is contradictory or impossible to implement, it should be considered that the combination of the technical solutions does not exist. Nor is it within the scope of protection required by this application.
  • the application proposes a quantum dot liquid crystal panel.
  • the quantum dot liquid crystal panel comprises a color filter substrate 1 , a liquid crystal layer 2 and an array substrate 3 , and the liquid crystal layer 2 is disposed on the color filter substrate 1 and Between the array substrate 3, the color filter substrate 1 includes a blue light absorbing member 12, a base substrate 11, a pixel unit layer 13, and an encapsulation layer 14 which are stacked, and the pixel unit layer 13 includes a red sub-pixel unit 131.
  • the green sub-pixel unit 132 and the blue sub-pixel unit 133 cover the red sub-pixel unit 131 and the green sub-pixel unit 132.
  • the quantum dot liquid crystal panel further includes a lower polarizer 4, and the lower polarizer 4 is disposed on a surface of the array substrate 3 away from the color filter substrate 1.
  • the blue absorbing member 12 is attached to a surface of the base substrate 11 facing away from the pixel unit layer 13.
  • the material of the blue absorbing member 12 is a dye, a glue, or a film, and a dye. It is an azo (such as Hansa Yellow 10G, benzidine yellow), a phenol (such as permanent solid yellow), a benzimidazolone (such as CI Pigment Yellow 154), or an azo condensation (such as Gumei
  • the yellow pigment, the glue or the film of 3G is a methacrylic resin or an epoxy resin, and the user can directly attach it to the base substrate 11, which is convenient for installation.
  • the red sub-pixel unit 131 is encapsulated with a red quantum dot material
  • the green sub-pixel unit 132 is encapsulated with a green quantum dot material
  • the blue sub-pixel unit 133 is encapsulated with a transparent medium or an air layer, which respectively emits red light and green light under blue light excitation. And blue light.
  • the technical solution of the present application passes through the array substrate 3, the liquid crystal layer 2, and the color filter substrate 1 through the blue backlight, wherein the color film substrate 1 is excited by the blue backlight, the red sub-pixel unit 131, the green sub-pixel unit 132, and The blue sub-image unit corresponds to red light, green light, and blue light emitted through the base substrate 11 to realize screen display.
  • the blue light absorbing member 12 covers the red sub-pixel unit 131 and The green sub-pixel unit 132 absorbs the red and green light mixed with the blue backlight, thereby effectively improving the color purity of the quantum dot liquid crystal display panel, emitting more pure red and green light, and improving color saturation.
  • the color filter substrate 1 includes the encapsulating layer 14 to effectively protect the color filter substrate 1 to achieve dustproof and waterproof.
  • the blue light absorbing member 12 of the embodiment includes a blue light absorbing layer corresponding to the red sub-pixel unit 131 and the green sub-pixel unit 132, and a blue backlight corresponding to the blue sub-pixel unit 133. Passing through the transparent layer 121.
  • the blue absorbing layer is an anti-blue film
  • the transparent layer 121 is a transparent film
  • the blue absorbing layer and the transparent layer 121 are integrally formed, which is advantageous for production and effectively improves production efficiency.
  • the blue backlight passes through the transparent layer 121, effectively providing blue light to pass through, and preventing the blue light absorbing layer from filtering the blue backlight.
  • the blue absorbing member 12 may include a blue absorbing layer corresponding to the red sub-pixel unit 131 and the green sub-pixel unit 132, and the blue absorbing layer is corresponding to the blue sub-pixel unit 133. There is an opening through which the blue backlight passes, and a blue backlight passes through the opening.
  • the pixel unit layer of the embodiment further includes a black matrix 134, and the black matrix 134 is provided with a plurality of mounting units arranged in an array, the red sub-pixel unit 131, the green sub-pixel unit 132, and the blue
  • the sub-pixel unit 133 is mounted in a mosaic or linear manner on a plurality of the mounting units to reduce the distance between the red sub-pixel unit 131, the green sub-pixel unit 132, and the blue sub-pixel unit 133 that are adjacent to each other. Light interference prevents light leakage.
  • the black matrix 134 of the embodiment is provided with a plurality of mounting units arranged in an array, the red sub-pixel unit 131 , the green sub-pixel unit 132 and the blue
  • the sub-pixel unit 133 is mounted in a mosaic or linear manner to a plurality of the mounting units.
  • the red sub-pixel unit 131, the green sub-pixel unit 132, and the blue sub-pixel unit 133 each include a plurality of;
  • the red sub-pixel unit 131, the green sub-pixel unit 132, and the blue sub-pixel unit 133 are repeatedly arranged from the left to the right in the first row of the mounting units on the black matrix 134 of the present embodiment.
  • a plurality of mounting units of the second row on the matrix 134 are repeatedly arranged by the blue sub-pixel unit 133, the red sub-pixel unit 131, and the green sub-pixel unit 132, and the rows below the second row on the black matrix 134 are arranged. Repeatedly set in the first row and the second row.
  • the present design is not limited thereto, and may be a plurality of mounting units of each row on the black matrix 134 to sequentially mount the red sub-pixel unit 131, the green sub-pixel unit 132, and the blue sub-s from left to right.
  • the pixel unit 133 is repeatedly arranged to effectively form a mosaic arrangement, which improves the situation in which the font stroke of the display is easily skewed when the display text is displayed, so that the display of the font is more beautiful and neat;
  • the pixel unit layer 13 of the embodiment is located on a side of the base substrate 11 adjacent to the liquid crystal layer 2, and the encapsulation layer 14 is located at a side of the pixel unit layer 13 adjacent to the liquid crystal layer 2. side.
  • the encapsulation layer 14 protects the pixel unit layer 13 from dust and moisture in the external environment entering the pixel unit layer 13 when the transfer of the color filter substrate 1 is carried.
  • the color filter substrate 1 of the embodiment further includes a central polarizing layer 15 disposed on a side surface of the encapsulation layer 14 adjacent to the liquid crystal layer 2, thereby effectively achieving incident light. Deviated.
  • the second embodiment is different from the first embodiment in that the blue light absorbing member 12 is sandwiched between the base substrate 11 and the pixel unit layer 13 , and the blue light absorbing member 12 is
  • the material is a resin dye which is a material formed by adding a yellow pigment, a dispersant, a photoinitiator or the like to a methacrylic resin or an epoxy resin, the base substrate 11 and the
  • the pixel unit layer 13 is adhesively bonded with the blue light absorbing member 12 as an adhesive, which is effective not only to filter or block blue light from the backlight doped in the red and green light by the blue light absorbing member 12, and is easy to produce.
  • the application also provides a display device comprising a backlight and a quantum dot liquid crystal panel as described above.
  • the backlight of the embodiment is a blue backlight.
  • the sub-region corresponding to the red sub-pixel unit 131 on the color filter substrate 1 is formed by a red quantum dot material, and the sub-region corresponding to the green sub-pixel unit 132 is green.
  • the quantum dot material is formed, and the sub-region corresponding to the blue sub-pixel unit 133 is formed of a transparent material, and the display effect of the quantum dot liquid crystal panel is related to the quantum dot material used in the color filter substrate 1 and the backlight of the blue LED, and the blue light
  • the peak, half-width and amplitude of the LED can be adjusted according to the choice of quantum dot material.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)

Abstract

L'invention concerne un panneau d'affichage à cristaux liquides à points quantiques et un dispositif d'affichage. Le panneau d'affichage à cristaux liquides à points quantiques comprend un substrat de filtre à couleur (1), une couche de cristaux liquides (2) et un substrat de réseau (3). La couche de cristaux liquides (2) est disposée entre le substrat de filtre à couleur (1) et le substrat de réseau (3). Le substrat de filtre à couleur (1) comprend un absorbeur de lumière bleue (12), un substrat (11), une couche d'unité de pixel (13) et une couche d'encapsulation (14) disposée de manière stratifiée. La couche d'unité de pixel (13) comporte une sous-unité de pixel rouge (131), une sous-unité de pixel verte (132) et une sous-unité de pixel bleue (133). L'absorbeur de lumière bleue (12) recouvre la sous-unité de pixel rouge (131) et la sous-unité de pixel verte (132).
PCT/CN2019/080552 2018-03-30 2019-03-29 Panneau d'affichage à cristaux liquides à points quantiques et dispositif d'affichage Ceased WO2019185047A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201820468456.4 2018-03-30
CN201820468456.4U CN207992648U (zh) 2018-03-30 2018-03-30 量子点液晶面板及显示装置

Publications (1)

Publication Number Publication Date
WO2019185047A1 true WO2019185047A1 (fr) 2019-10-03

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WO (1) WO2019185047A1 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN111129086A (zh) * 2019-12-13 2020-05-08 武汉华星光电技术有限公司 柔性显示面板及其制作方法

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207992648U (zh) * 2018-03-30 2018-10-19 深圳Tcl新技术有限公司 量子点液晶面板及显示装置
CN112310300A (zh) * 2019-07-23 2021-02-02 群创光电股份有限公司 发光装置以及制作发光装置的方法
CN111063269A (zh) * 2019-12-17 2020-04-24 深圳市华星光电半导体显示技术有限公司 显示面板
CN111477618A (zh) * 2020-04-23 2020-07-31 恩利克（浙江）智能装备有限公司 一种量子点全彩Micro/Mini-LED显示屏结构及其制造方法
CN116753476A (zh) * 2023-06-01 2023-09-15 厦门普为光电科技有限公司 具滤蓝光功能的照明装置

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CN103278876A (zh) * 2013-05-28 2013-09-04 京东方科技集团股份有限公司 量子点彩色滤光片及其制作方法、显示装置
CN104536198A (zh) * 2015-02-03 2015-04-22 京东方科技集团股份有限公司 一种显示基板、显示面板和显示装置
US20160093676A1 (en) * 2014-09-30 2016-03-31 Ye Xin Technology Consulting Co., Ltd. Display panel and method for manufacturing the same
CN105911785A (zh) * 2016-06-30 2016-08-31 上海中航光电子有限公司 一种显示面板和显示装置
CN107092048A (zh) * 2017-06-13 2017-08-25 深圳市华星光电技术有限公司 蓝光吸收截止膜及蓝光显示装置
CN207992648U (zh) * 2018-03-30 2018-10-19 深圳Tcl新技术有限公司 量子点液晶面板及显示装置

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CN103278876A (zh) * 2013-05-28 2013-09-04 京东方科技集团股份有限公司 量子点彩色滤光片及其制作方法、显示装置
US20160093676A1 (en) * 2014-09-30 2016-03-31 Ye Xin Technology Consulting Co., Ltd. Display panel and method for manufacturing the same
CN104536198A (zh) * 2015-02-03 2015-04-22 京东方科技集团股份有限公司 一种显示基板、显示面板和显示装置
CN105911785A (zh) * 2016-06-30 2016-08-31 上海中航光电子有限公司 一种显示面板和显示装置
CN107092048A (zh) * 2017-06-13 2017-08-25 深圳市华星光电技术有限公司 蓝光吸收截止膜及蓝光显示装置
CN207992648U (zh) * 2018-03-30 2018-10-19 深圳Tcl新技术有限公司 量子点液晶面板及显示装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111129086A (zh) * 2019-12-13 2020-05-08 武汉华星光电技术有限公司 柔性显示面板及其制作方法

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